Dental dam

ABSTRACT

The coffer dam (10) incorporates a tapered bag (12) which surrounds a tooth. There is a row of projections (11) positioned along curved lines on the sides of the bag. The projections may be cut off to leave small holes. The bracket may consist of a flat approximately oval plate (13) with a raised rim (14) round the edge, formed in one piece with the bag.

FIG. 1 is a perspective view of our new dental dam design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof; the rear elevation view being a mirror image; and,

FIG. 5 is a right side elevation view thereof; the left side elevation view being a mirror image. 

The ornamental design for the dental dam, as shown and described. 